如何根据数组中的某一个属性进行去重

Posted 2020-12-29 Regina_wisdom

var arr=[];
for(var i = 0, l = this.arr.length; i < l; i++) {
  for(var j = i + 1; j < l; j++){
    if (this.arr[i].batch === this.arr[j].batch){
      j = ++i;
    }
  }
  this.arr.push(this.arr[i]);
}